Y02T10/60

CONTROL SYSTEM FOR HYBRID VEHICLE
20220080948 · 2022-03-17 ·

A control system for a hybrid vehicle configured to accelerate the coasting hybrid vehicle sharply in response to a depression of an accelerator pedal. A controller is configured to: shift an operating mode from low mode to high mode at a higher speed in a case that the hybrid vehicle coasts without depressing an accelerator pedal, compared to a case that the hybrid vehicle is propelled by depressing the accelerator pedal; and delay a timing to shift the operating mode from the low mode to the high mode for a predetermined period of time when accelerating the coasting hybrid vehicle by depressing the accelerator pedal.

COASTING CLUTCH AND A MULTISPEED GEAR SYSTEM WITH SUCH COASTING CLUTCH

A coasting clutch and a gear system with a coasting clutch include mutually facing first and second clutch members. The coasting clutch is arranged to operate in an engaged position, wherein the first and second clutch members are axially in mesh and rotating with the same speed, or overrunning and rotating with different speeds. The coasting clutch includes a coasting mechanism arranged to operate the coasting clutch into a coasting position when the clutch is overrunning. In the coasting position, the first and second clutch members are axially arranged further from each other than in the engaged position.

Cylinder deactivation to maximize kinetic to potential energy conversion in braking events
11149660 · 2021-10-19 · ·

Systems and methods for providing charge to an energy storage system of a vehicle are provided. The method may include receiving, by a vehicle control system, an indication that a vehicle is coasting, slowing, and/or braking. Based on the received indication, engaging, by the vehicle control system, an electric motor coupled to an internal combustion engine to generate electric charge and provide the generated electric charge to the energy storage system, and while engaging the electric motor to generate electric charge, deactivating, by the vehicle control system, a cylinder of the internal combustion engine by maintaining an inlet valve of the cylinder and an exhaust valve the cylinder in a constant position, such as a closed position. In some instances, the inlet valve and exhaust valve may be maintained in an open state to further slow the vehicle.

Method for operating a driver assistance system in a motor vehicle, the system supporting the driver in coasting mode, and motor vehicle
11136033 · 2021-10-05 · ·

Method for operating a driver assistance system in a motor vehicle wherein an action plan comprising at least one measure for the targeted deceleration of the motor vehicle is determined, as well as predictive route data describing the distance to the coasting destination is determined when the driver ends the activation of the gas pedal and at least one potential coasting destination, which requires deceleration of the motor vehicle, is determined, and said measure is used for the longitudinal guidance of the motor vehicle, whereby the measures are selected from the measure group of at least one operation in a free-run operating mode and one operation in a coasting operating mode, whereby a stopping position is determined as the coasting destination and the action plan is determined for the deceleration of the motor vehicle to a complete stop at the stopping position.

Vehicle and method for controlling the same

A vehicle and a method for controlling the same are provided to induce inertial driving of a driver by guiding the inertial driving of the vehicle and controlling an accelerator pedal so that a pedal effort is applied to the accelerator pedal. The vehicle includes a display configured to display an object guiding the inertial driving, and a controller configured to apply a pedal effort to an accelerator pedal when guiding the inertial driving to induce the inertial driving.

BRAKING FORCE CONTROLLER
20210362717 · 2021-11-25 · ·

A braking force controller includes: a target jerk calculation unit; a first estimation unit configured to estimate an increment of braking force when a prescribed factor that increases braking force to be generated by the first actuator unit currently occurs; a second estimation unit configured to estimate the increment of the braking force when the prescribed factor occurs within a prescribed period; and a control unit configured to determine a negative jerk generated when the second actuator unit generates the braking force such that a sum of the negative jerk and the jerk generated by the first actuator unit without the prescribed factor becomes the target jerk. When the increment of the braking force due to the prescribed factor is larger than a prescribed value, the control unit corrects the determined negative jerk such that an absolute value of the negative jerk becomes smaller.

Travel control device, vehicle, and travel control method
11104337 · 2021-08-31 · ·

Provided are a travel control device, a vehicle, and a travel control method that ensure safety in cases of a possible lane departure. This travel control device is equipped with: a travel control unit that switches between and executes a constant speed travel control for causing a vehicle 1 to travel at a target speed and a coasting control for causing the vehicle to travel by inertia; and a switching control unit that, in cases in which it has been determined by a lane departure warning unit that there is a risk that the vehicle will depart from the travel lane while executing the constant speed travel control or the coasting control, controls the travel control unit to execute the constant speed travel control without executing the coasting control for a prescribed period of time.

BRAKING FORCE CONTROL SYSTEM, DEVICE, AND METHOD

A vehicular breaking force control system that includes a control device including a processor that acquires a plurality of longitudinal accelerations from a driving assistance system, and calculates a driving/braking request when the vehicle is in a coasting state in which an acceleration operation or a deceleration operation are not performed during running of the vehicle. The processor further acquires a driving force lower limit set for a powertrain actuator having a set gear ratio, and distributes the driving/braking request to at least one of (i) a powertrain system including the powertrain actuator and (ii) a brake system including a brake actuator. The driving/braking request is distributed to the at least one of the powertrain system and the brake system based on the acquired driving force lower limit.

Control device and control method for lock-up clutch

A control device for a lock-up clutch includes a control unit, an abnormality determination unit, a release control unit and a prohibition unit. The control unit is configured to control an engagement state of a lock-up clutch, and to perform a slip lock-up control by performing a feedback control of an engagement hydraulic pressure to be a first slip amount during coasting. The abnormality determination unit is configured to determine an abnormality when a state continues with a slip amount being equal to or greater than a second slip amount. The release control unit is configured to release the lock-up clutch when the abnormality is determined. The prohibition unit is configured to allow the control unit to raise the engagement hydraulic pressure by a prescribed pressure, and to prohibit determination by the abnormality determination unit, when the transmission ratio is downshifted during coasting while the slip lock-up control is performed.

Coasting control method based on overspeed response and eco-friendly vehicle employing the same

A coasting control method based on an overspeed response and an eco-friendly vehicle employing the same are provided. The coasting control method includes performing an active coasting control when an event for a section speed enforcement area is determined while a vehicle is traveling to allow the vehicle to pass through the section speed enforcement area based on a vehicle position at an event occurrence time.